* {
  font-family: Arial;
  font-size: 14px;
  margin: 0;
  padding: 0;
  border: none;
}
a {
  text-decoration: none;
}
ul {
  list-style: none;
}
img {
  display: block;
}
#header {
  background-color: #000;
}
#header::after {
  content: '';
  display: block;
  width: 100%;
  height: 7px;
  background: #cbcbcb;
}
#header .header-container {
  margin: 0 auto;
  width: 1200px;
  height: 73px;
  display: flex;
  justify-content: space-between;
}
#header .header-container img {
  width: 200px;
  height: 70px;
}
#header .header-container .logo {
  width: 198px;
  height: 63px ;
  margin: 5px 30px;
}
#header .header-container .nav {
  display: flex;
}
#header .header-container .nav a {
  width: 110px;
  height: 73px;
  text-align: center;
  line-height: 73px;
  color: #fff;
  text-decoration: none;
  transition: .2s;
}
#header .header-container .nav a:nth-child(1) {
  background: #433b90;
}
#header .header-container .nav a:nth-child(2) {
  background: #017fcb;
}
#header .header-container .nav a:nth-child(3) {
  background: #78b917;
}
#header .header-container .nav a:nth-child(4) {
  background: #feb800;
}
#header .header-container .nav a:nth-child(5) {
  background: #f27c01;
}
#header .header-container .nav a:nth-child(6) {
  background: #d40112;
}
#header .header-container .nav a:hover {
  height: 80px;
}
#banner {
  background: #eaeaea;
}
#banner::after {
  content: '';
  display: block;
  width: 100%;
  height: 7px;
  background: #d2d2d2;
}
#banner .banner-container {
  width: 1200px;
  height: 538px;
  margin: 0 auto;
  position: relative;
}
#banner .banner-container a {
  position: absolute;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  width: 610px;
  height: 300px;
}
#banner .banner-container a:nth-child(1) {
  left: 0;
}
#banner .banner-container a:nth-child(2) {
  width: 880px;
  height: 400px;
  left: 0;
  right: 0;
  margin-left: auto;
  margin-right: auto;
  z-index: 3;
}
#banner .banner-container a:nth-child(3) {
  right: 0;
}
#banner .banner-container a img {
  width: 100%;
  height: 100%;
}
#content::after {
  content: '';
  display: block;
  width: 100%;
  height: 7px;
  background: #808080;
}
#content .content-container {
  width: 1200px;
  height: 473px;
  margin: 34px auto 0;
  display: flex;
  justify-content: space-between;
}
#content .content-container .content-title {
  margin-bottom: 35px;
  font-size: 32px;
  font-weight: bold;
}
#content .content-container .content-title span {
  color: gray;
  font-size: 32px;
}
#content .content-container aside {
  width: 450px;
}
#content .content-container aside .content-item {
  margin-bottom: 25px;
}
#content .content-container aside .content-item a {
  display: flex;
  justify-content: space-between;
  color: #333;
}
#content .content-container aside .content-item a .content-item-left {
  width: 71px;
  height: 71px;
}
#content .content-container aside .content-item a .content-item-left img {
  width: 100%;
  height: 100%;
}
#content .content-container aside .content-item a .content-item-right {
  width: 360px;
}
#content .content-container aside .content-item a .content-item-right h3 {
  text-decoration: underline;
}
#content .content-container .article {
  width: 720px;
}
#content .content-container .article p {
  margin-bottom: 10px;
  font-size: 16px;
}
#content .content-container .article img {
  width: 100%;
  margin-bottom: 10px;
}
#footer {
  background: #000;
  line-height: 64px;
}
#footer .footer-container {
  width: 1200px;
  height: 64px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  color: #fff;
}
#footer .footer-container .icon-list {
  display: flex;
  align-items: center;
}
#footer .footer-container .icon-list a {
  margin-right: 5px;
  opacity: .7;
  transition: .2s;
}
#footer .footer-container .icon-list a:hover {
  opacity: 1;
}
